Philips Semiconductors
Rotational speed sensor
Product specification
KMI15/4
4
handbook, halfpage
d
(mm)
3
MBD841
Θ
d
ft
2
1
0
0
1
2
3
4
θ (deg)
VCC = 12 V; ft = 2 kHz; module = 2 mm.
Fig.12 Sensing distance as a function of positional
tolerance; typical values.
3
handbook, halfpage
d
(mm)
2
1
MBD842
–+
x
d
0
–6
–4
10 mm
–2
0
2
4
6
x (mm)
VCC = 12 V; ft = 2 kHz; module = 2 mm.
Fig.13 Sensing distance as a function of positional
tolerance in the x-axis; typical values.
handbook, h4alfpage
d
(mm)
3
MBD839
2
d
1
0
-50
0
50
100
150
200
Tamb (oC)
handbook, halfpage
d
sensor
d
gear wheel
MRA963
Fig.14 Typical sensing distance as a function of
ambient temperature; typical values.
2000 Sep 05
8
Fig.15 Sensor positioning.